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Pipeline Pigging Incident

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Pipeline Pigging Incident

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    1. Pipeline Pigging Incident Dave Shepherd Aug, 2005 Notes go here.Notes go here.

    2. 2 What is a Pipeline Pig? Used to clean or inspect pipelines that are in service. Commonly used for: Paraffin removal Corrosion Inhibition Pipeline Suspension

    3. 3 Background Two workers were attempting to remove a pig from a line that was launched the previous day. Found pig was stuck in reducer section but cleared block valve so valve could be closed. After depressuring pig receiver and opening it to atmosphere, both workers believed energy had been removed. Pig had to be pulled into pig receiver through the reducer to remove so they fashioned a hook from some ss tubing.

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